A new study has shown that heat deaths in Europe could triple by the end of the century, with the numbers rising disproportionately in southern European countries such as Italy, Greece and Spain.
Cold kills more people than heat in Europe, and some have argued that climate change will benefit society by reducing those deaths. However, the study, which was published in the Lancet Public Health, found that the death toll would respond slowly to warming weather and may even rise through people growing older and more vulnerable to dangerous temperatures.
The researchers concluded that If global heating reaches a catastrophic 3C or 4C, the rise in heat deaths will greatly outstrip the fall in cold deaths. They also said that the results suggested climate change could pose “unprecedented challenges” to public health systems, particularly during heatwaves.
“Many more heat-related deaths are expected to occur as the climate warms and populations age, while deaths from cold decline only slightly,” said David García-León from the Joint Research Centre at the European Commission, a co-author of the study.
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Deaths from warm weather could kill 129,000 people a year if temperatures rise to 3C above preindustrial levels. Today, heat-related deaths in Europe stand at 44,000. But the yearly death toll from cold and heat in Europe may rise from 407,000 people today to 450,000 in 2100 even if world leaders meet their global warming target of 1.5C, the study found.
The research comes on the back of a series of scorching heatwaves that have wreaked havoc across the continent. Its results challenge arguments from climate deniers that global heating is good for society because fewer people will die from cold.
Even in Europe, the coolest inhabited continent, the lives lost to stronger heat will offset those saved by milder cold, the study found. Countries across Asia, Africa, Oceania and the Americas are baking in even deadlier temperatures.
“This research is a stark reminder of the number of lives that we are putting at risk if we fail to act quickly enough against climate change,” said Madeleine Thomson, the head of climate impacts and adaptation at the health research charity Wellcome, who was not involved in the study.
The predicted tripling of direct heat deaths in Europe was “not even the full picture,” she added, pointing to research that links extreme heat to miscarriages and worse mental health. “And then there are the indirect impacts. We have already seen how extreme heat events can cause crop failure, wildfire devastation, damage critical infrastructure and hit the economy – all of which will have knock-on effects on our lives.”
Story was adapted from the Guardian.
